20215728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10799}}^1$

素因数の和:10826

約数の個数: 60

約数和(自身を含む): 60933600

約数和(自身を除く): 40717872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10799, 21598, 32397, 43196, 64794, 86392, 97191, 129588, 140387, 172784, 194382, 259176, 280774, 388764, 421161, 518352, 561548, 777528, 842322, 1123096, 1263483, 1555056, 1684644, 2246192, 2526966, 3369288, 5053932, 6738576, 10107864, 20215728]

約数ペア:

[(1, 20215728), (2, 10107864), (3, 6738576), (4, 5053932), (6, 3369288), (8, 2526966), (9, 2246192), (12, 1684644), (13, 1555056), (16, 1263483), (18, 1123096), (24, 842322), (26, 777528), (36, 561548), (39, 518352), (48, 421161), (52, 388764), (72, 280774), (78, 259176), (104, 194382), (117, 172784), (144, 140387), (156, 129588), (208, 97191), (234, 86392), (312, 64794), (468, 43196), (624, 32397), (936, 21598), (1872, 10799)]